2 files changed, 7 insertions, 1 deletions
diff --git a/ios/public/provider/chrome/browser/signin/chrome_identity_service.h b/ios/public/provider/chrome/browser/signin/chrome_identity_service.h
index 1f13ced..cb45e1b 100644
--- a/ios/public/provider/chrome/browser/signin/chrome_identity_service.h
+++ b/ios/public/provider/chrome/browser/signin/chrome_identity_service.h
@@ -61,6 +61,9 @@ class ChromeIdentityService {
     // Called when profile information or the profile image is updated.
     virtual void OnProfileUpdate(ChromeIdentity* identity) {}
 
+    // Called when the ChromeIdentityService will be destroyed.
+    virtual void OnChromeIdentityServiceWillBeDestroyed() {}
+
    private:
     DISALLOW_COPY_AND_ASSIGN(Observer);
   };
diff --git a/ios/public/provider/chrome/browser/signin/chrome_identity_service.mm b/ios/public/provider/chrome/browser/signin/chrome_identity_service.mm
index dce36f4..55a228c 100644
--- a/ios/public/provider/chrome/browser/signin/chrome_identity_service.mm
+++ b/ios/public/provider/chrome/browser/signin/chrome_identity_service.mm
@@ -8,7 +8,10 @@ namespace ios {
 
 ChromeIdentityService::ChromeIdentityService() {}
 
-ChromeIdentityService::~ChromeIdentityService() {}
+ChromeIdentityService::~ChromeIdentityService() {
+  FOR_EACH_OBSERVER(Observer, observer_list_,
+                    OnChromeIdentityServiceWillBeDestroyed());
+}
 
 bool ChromeIdentityService::IsValidIdentity(ChromeIdentity* identity) const {
   return false;